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Rather talkative Jedi Master Yoda by Tiger Electronics Ltd. (Hasbro) for Japanese market as English Version distributed by Tomy in 2000. I don’t have much intention to go through all the training sessions to be a Jedi so I just made Yoda talk a bit and play very short while with the lightsaber and that’s probably it. Master Yoda takes many batteries so I will soon use them somewhere else which I can have more fun. He is 8 inches tall. Lucky I can take the batteries away otherwise he keeps talking until he goes sleeping mode.
This is an old Z80 based computer that I built many years ago when I was in high school. It's somewhat battered and in need of repairs - but since it's been floating around for 20+ years, I think it's doing ok!
It was designed by a small electronics company here in Melbourne, Australia called Talking Electronics
After seeing the crazy price SparkFun was charging for these, I had to get one.
I picked up a complete set - large screen, small screen and frame with backlights. They stick together easily.
I'm still dreading the prospect of somehow connecting up to them - the small screen especially has 0.4mm wide copper contracts, 33 of them! that's crazy. I've ordered some of the very thin wire used for modding games consoles (kylar insulated 30AWG stuff) and will attempt that later.
Even once they're connected, there's the massive issue of figuring out how to write data to them.
One easy part to get working was the backlight. This is a seperate connector with seven pins - one anode and six cathodes, one per LED. I connected wires up to each pin and put them through some heatshrink to 0.1" crimp headers and have connected them to 2 AA batteries temporerily. The backlight looks pretty snazzy, so I can't wait to get some actual display on these!
A bulk pack of 2500(50 values X 50pcs) 1% 1/4W resistors. They were from Hong Kong, Other than getting 2 sets of 33k and possibly missing another value in it's place. Their quality is good and they were cheap.
Photos from an article about some different identifying marks on chips. You can read that article here.
All soldering and wiring done.
Definitely not the best soldering I've ever done. Seems I need the practice…
In fact if you look carefully, I've missed a pin ("not used" on the datasheet)! Taking these photos was a good idea after all.
Electronics factory workers, Cikarang, Indonesia © ILO/Asrian Mirza
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 IGO License. To view a copy of this license, visit creativecommons.org/licenses/by-nc-nd/3.0/igo/deed.en_US.
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This is the back panel.You can see the holes for the power outputs 6X2.
The big one is for the blower....
Over the past few days, we have been getting non-stop updates from LG regarding their showcase for the biggest Consumer Electronics Show in Las Vegas. Today, we have caught wind that the original 84-inch Ultra HD TV will be complemented by 55- and 65-inch screen models.
See more details visit goo.gl/SoIG1
Exploring a discarded cable box I found at the landfill. When I'm done, I'll give to a friend who recycles electronics.
Один из наиболее массовых советских процессоров. Оказалось, что вопреки распространенному убеждению, он не является послойной копией Intel 8080/8080A (некоторые блоки похожи, но разводка и расположение контактных площадок существенно отличается). Самые тонкие линии — 6µm.
Electronics factory workers, Cikarang, Indonesia © ILO/Asrian Mirza
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 IGO License. To view a copy of this license, visit creativecommons.org/licenses/by-nc-nd/3.0/igo/deed.en_US.
The front of the BalvenAmp. The Balvenie DoubleWood packaging has pictures of the two casks the whisky is aged in; the volume pot is coming out of the whisky cask, the gain pot is coming out of the sherry cask, and the guitar cord plugs into the Balvenie seal in the middle.
All soldering and wiring done.
Definitely not the best soldering I've ever done. Seems I need the practice…
The HD44780 controller is a very common little chip that acts as the brains behind little character-based displays. These displays are every, every, everywhere - the gas station down the street from my house has them in the gas pumps and the cash registers, our new printer/scanner uses one, and I'd bet my eyeteeth that the little glowy displays in modern pay phones are driven by a very similar chip. Srsly. If you spend some time out and about in a well-settled part of any developed nation these days, you're bound to encounter several of them. There may well be some in your home, especially if you're a gadget freak.
I think the HD44780 is mid-eighties tech. They're not as flexible and fancy as graphic LCD controllers, but most applications don't need much. The HD44780 and its clones usually come with the English alphabet built in, as well as punctuation, numbers, and the Japanese katakana syllabary. There are also a few umlauted letters, Greek letters, and symbols - even an ñ! Scroll down a bit on this page to see the whole gang.
Code for using these displays is very easy to find on microcontroller hobbyist sites, but I wrote my own - as a software guy, I consider that the fun part. This picture shows a display I recently bought on eBay for about $11. It has an odd greenish-yellow backlight, which accounts for the lemon-lime background color. The display area is about 1x3 inches. I've just managed to get my interface code for it working - I've been using these for years, but with a different fambly of microcontrollers, and have just now gotten around to writing the code for the AVR MCUs. Now that I have it going, what can I not achieve?
The text extends a greeting to the almost-absurdly-beloved Japanese cartoon character Totoro, whose name is one of the few katakana words I know. (I highly recommend the movie My Neighbor Totoro. If you haven't seen it, check it out - it's beautiful, beautiful work and one of the sweetest films I've ever seen.)
カワイイ!